Description
An issue was discovered in Xen through 4.9.x allowing x86 HVM guest OS users to obtain sensitive information from the host OS (or an arbitrary guest OS) because intercepted I/O operations can cause a write of data from uninitialized hypervisor stack memory.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html ↗
- http://www.securityfocus.com/bid/101496 ↗
- https://xenbits.xen.org/xsa/advisory-239.html ↗
- https://www.debian.org/security/2017/dsa-4050 ↗
- https://support.citrix.com/article/CTX228867 ↗
- https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html ↗
- https://security.gentoo.org/glsa/201801-14 ↗
- http://www.securitytracker.com/id/1039568 ↗